Kath Clements, campaigns and marketing manager at Mooncup, said: "Ultimately choosing the right sanitary product for you is really personal. We’d just like to make sure that women choose knowing the facts.

"Staging a rap battle was a playful way to present some of the reservations about using the Mooncup that we hear, alongside the benefits that Mooncup users enjoy – in the end, as ever, it’ll be down to the viewer to pick her ‘crew’"

How an excruciating seven-month quest for an idea Steve Jobs didn't hate gave birth to one of the funniest, most effective campaigns in Apple's history, told by the writers, crew and actors who created it 10 years ago.